Vaginal fistula, (particularly due to diverticular disease), Crohn's disease or carcinoma of the colon or bladder, instrumentation and after trauma are other causes of gas production, and differential diagnosis should be made with emphysematous cystitis.olovesical fistula, a fistula connecting the colon and the urinary bladder. Also called vesicocolonic fistula. 1  Facebook. 2  Twitter.
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The Thrift Savings Plan is widely recognized as one of the finest, most elegantly simple, and popular retirement plans of its kind. As of December 31, 2015, there were approximately 4.8 million participants and over $458 billion in assets under management.